Finding the Fourth Proportional to 14,012.15, 19,336.73 and 7,724.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012.15 : 19,336.73 = 7,724.52 : x
2. Step 2: Convert to fraction form
   14,012.15/19,336.73 = 7,724.52/x
3. Step 3: Cross multiply
   14,012.15x = 19,336.73 × 7,724.52
4. Step 4: Simplify right side
   14,012.15x = 149,366,919.00
5. Step 5: Solve for x
   x = 149,366,919.00/14,012.15
6. Step 6: Final answer
   x = 10,659.82